योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-76, verse-6

ब्रह्मविस्फोटितस्वाण्डकुड्यविस्फोटनोद्भटम् ।
अन्योन्यास्फालनोत्फालमत्तार्णवरवाविलम् ॥ ६ ॥

brahmavisphoṭitasvāṇḍakuḍyavisphoṭanodbhaṭam ,
anyonyāsphālanotphālamattārṇavaravāvilam 6

6. brahmavisphoṭitasvāṇḍakuḍyavisphoṭanodbhaṭam
anyonyāsphālanotphālamattārṇavaravāvilam

6. brahmavisphoṭitasvāṇḍakuḍyavisphoṭanodbhaṭam
anyonyāsphālanotphālamattārṇavaravāvilam

6. They produced a rumbling sound that was formidable like the bursting of the walls of the cosmic egg (svāṇḍa) shattered by (brahman) the Creator, and was tumultuous with the roar of agitated oceans, lashing and surging against each other.

Words meanings summery:

• ब्रह्मविस्फोटितस्वाण्डकुड्यविस्फोटनोद्भटम् (brahmavisphoṭitasvāṇḍakuḍyavisphoṭanodbhaṭam) - describes the rumbling sound of the clouds (formidable due to the explosion of the walls of the cosmic egg shattered by Brahman)

• अन्योन्यास्फालनोत्फालमत्तार्णवरवाविलम् (anyonyāsphālanotphālamattārṇavaravāvilam) - describes the rumbling sound of the clouds (agitated by the roar of furious oceans surging and mutually lashing)

Words meanings and morphology

ब्रह्मविस्फोटितस्वाण्डकुड्यविस्फोटनोद्भटम् (brahmavisphoṭitasvāṇḍakuḍyavisphoṭanodbhaṭam) - describes the rumbling sound of the clouds (formidable due to the explosion of the walls of the cosmic egg shattered by Brahman)

(adjective)

Accusative, neuter, singular of brahmavisphoṭitasvāṇḍakuḍyavisphoṭanodbhaṭa

brahmavisphoṭitasvāṇḍakuḍyavisphoṭanodbhaṭa - formidable from the explosion of the walls of one's own cosmic egg shattered by Brahman

Compound type : tatpurusha (brahma+visphoṭita+sva+aṇḍa+kuḍya+visphoṭana+udbhaṭa)

• brahma – Brahman (the ultimate reality), the Creator (Brahmā)
  proper noun (neuter)
  Root: bṛh (class 1)
• visphoṭita – burst, exploded, shattered
  adjective (neuter)
  Past Passive Participle
  From root 'sphuṭ' (to burst) with 'vi' prefix.
  Prefix: vi
  Root: sphuṭ (class 6)
• sva – own, one's own
  pronoun (neuter)
• aṇḍa – egg, cosmic egg, testicle
  noun (neuter)
• kuḍya – wall, screen
  noun (neuter)
• visphoṭana – bursting, explosion, shattering
  noun (neuter)
  Derived from root 'sphuṭ' (to burst) with prefix 'vi'.
  Prefix: vi
  Root: sphuṭ (class 6)
• udbhaṭa – formidable, terrible, fierce, violent, prominent
  adjective (neuter)
  Prefix: ud
  Root: bhaṭ (class 1)

Note: Qualifies 'gulugulāravam' (implied in previous verse).

अन्योन्यास्फालनोत्फालमत्तार्णवरवाविलम् (anyonyāsphālanotphālamattārṇavaravāvilam) - describes the rumbling sound of the clouds (agitated by the roar of furious oceans surging and mutually lashing)

(adjective)

Accusative, neuter, singular of anyonyāsphālanotphālamattārṇavaravāvila

anyonyāsphālanotphālamattārṇavaravāvila - agitated by the roar of furious oceans lashing and surging against each other

Compound type : bahuvrihi (anyonya+āsphālana+utphāla+matta+arṇava+rava+āvila)

• anyonya – mutual, each other
  pronoun
• āsphālana – striking, lashing, flapping, shaking
  noun (neuter)
  Derived from root 'sphāl' (to shake) with prefix 'ā'.
  Prefix: ā
  Root: sphāl (class 1)
• utphāla – leaping up, springing up, surging
  noun (masculine)
  Derived from root 'phāl' (to jump) with prefix 'ud'.
  Prefix: ud
  Root: phāl (class 1)
• matta – furious, intoxicated, mad, excited
  adjective (masculine)
  Past Passive Participle
  Derived from root 'mad' (to be intoxicated, delighted, furious).
  Root: mad (class 4)
• arṇava – ocean, sea, flood
  noun (masculine)
• rava – sound, roar, noise
  noun (masculine)
  Derived from root 'ru' (to roar, make sound)
  Root: ru (class 2)
• āvila – agitated, turbid, impure, disturbed, filled with
  adjective (neuter)
  Derived from root 'vil' (to cover, shake) with 'ā' prefix.
  Prefix: ā
  Root: vil (class 10)

Note: Qualifies 'gulugulāravam' (implied in previous verse).